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VH. MARGUSE. AUTOMATIC SWITH ARM POB. TELEPHONE RBGEIVERS. 10.568,577.

Patented Sept. 29, 1896.

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(No Model.) l 2 sheets-sheet 2. H. MARCUSE. vAU'IOMJXTIG SWI'I'H ARM FOR TELEPHONE REGEIVBRS.

. No. 568,577. Patented Sept. 29, 1896.

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HUGO MARoUsE, oF

BERLIN, GERMANY.

AUTOMATIC SWITCH-ARM FOR TELEPHONE-RECEIVERS.

SPECIFICATION forming part of Letters Patent No. 568,577', dated'September 29, 1896.

Application nea January 7, 1896.

T0 @ZZ whom it may concern,.-

Beit known that I, HUGO MARCUSE, a subject of the King of Prussia, German Emperor, residing at 7 Spandauer-Brcke, Berlin, in the Kingdom of Prussia and German Empire, have invented Improvements in Automatic Switch-Arms for Telephone Receivers, of which the following is a specication.

This invention has for its object to provide a device which will avoid the disagreeableness of manipulating the receiver by hand, such as is the case with the conventional telephone apparatus while speaking, as well as effecting the connecting and disconnecting of the apparatus automatically. This manipulation is substituted by a simple rotary motion of the arm for the ear-piece or receiver.

The subject of this invention is shown in four methods of construction in the following drawings, of which- Figure 1 is a view of a non-switching sup port; Fig. 2, a view of switch contrivance set in action by the arm, which is removed. Figs. 3, 4, and 5 are views of the arm in connection with different styles of switch apparatus. Fig. 6 is a front elevation of the invention according to Fig'.- 4, partly in section. Figs. 7, S, 9, and 10 are modifications of the receiver-arm.

This invention can be adapted to all kinds of telephone apparatus in use without subjecting the apparatus or the receiver to any kind of alteration whatever. The contrivance is mounted upon a bracket suitably attached to the wall. The arm proper can consist of a piece of limited length or of two parts a and b, sliding one within the other, as shown in Fig. l1, by which the receiver can be easily adapted to the distance of the mouth from the transmitter. A lateral rotary movement is given to the arm bythe disk e of the hinge-like part a, provided with the eyelets e. At the same time the arm can be turned to the position shown in Fig. 8, as the disk e, Fig. 6, is revoluble upon the plate o. By means of this kind of movement a lever mechanism is set in action for switching. The lateral movement of the arm can also be The receiver is attached in a suitable manner to one of the arm parts h, Figs. 1 and 5. As long as the apparatus Serial No. 574,616. (No model.)

is disconnected the arm acting upon the hook m has the position shown in Fig. 3.

The form of construction in Fig. 2 shows the removable disk e, provided with a nosepiece g, communicating movement to the angle-lever c' k, moving on the bolt Z. The pin f restricts the movement of the disk in one direction and secures the arm (here omitted) in a comfortable position for the person speaking through the instrument. The hook m, which makes the connection in this position, and which presses against the arm la of the lever, causes the arm 'L' of the angle-lever to lay itself upon the disk e. In disconnecting the apparatus, e'. e., by turning the arm upward, the nose-piece g so acts upon the lever i 7c that the arm lo presses the hook m downward and thus interrupts the contact.

In the form of construction shown in Fig. 3 a weight s, suspended in the hook-shaped lever t, moving on r, presses down the hook m.

In turning down the arm it pulls upon a chain p, one end of which is attached to the bolt of the hinge and the other to the lever t is drawn up and the hook m effects the connection.

In Fig. i the disk e has an eyelet g at its edge. The screw g in the eyelet g unites the lever u and the disk. The lever u -is provided with a slot-guide and presses with its lower end against the lever 'u moving on o', by which means the hook m is disconnected.

The turning down of the arm releases the lever fu, and the hook m is connected. The lower end of the slot u and the screw u2 keep the arm in a horizontal position.

In Fig. 5 the disk is likewise provided with an eyelet g, to which one end of the lever w is connected by means of the bolt g', the other end of the lever w, on the other hand, being connected by means of the bolt w to an end of the double-armed lever e', swinging on z. The other end of this lever presses down the hook m. On lowering the arm the end of the lever z resting in the hook is raised by lmeans of the lever w, and the hook connects IOO 1. In combination with a telephone a bracket, a lever pivoted thereto and adapted to operate the receiver-hook of the telephone, a receiver-arm composed of rods adjustably slidable in each other, a disk secured to one of said arms and a connection between the disk and the lever whereby when the position of the receiver-arm is changed the receiverhook is operated, as and for the purpose described.

2. In combination with a telephone, a bracket, a lever pivoted thereto and adapted to operate the receiver-hook of the telephone,

a receiver-arm composed of rods adjustably slidable in each other, a disk hinged to one of said arms and pivoted to the bracket, means for limiting` the revolution of `the disk and a 

